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41 lines
1.1 KiB
Bash
Executable File
41 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# Don't use set -x here, since it generates a lot of output and slows
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# the script down, causing unexpected test fails.
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set -eu
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set -o pipefail
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PAGE_SIZE=$(getconf PAGE_SIZE)
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BLOAT_ITERATION_TARGET=$((100 << 20)) # 100 MB
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BLOAT_HOLDER=()
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PID="$$"
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function bloat {
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local set_size mem_usage target_mem_size
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set_size=$(cut -d " " -f2 "/proc/$PID/statm")
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mem_usage=$((set_size * PAGE_SIZE))
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target_mem_size=$((mem_usage + $1))
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BLOAT_HOLDER=()
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while [[ "$mem_usage" -lt "$target_mem_size" ]]; do
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echo "target $target_mem_size"
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echo "mem usage $mem_usage"
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BLOAT_HOLDER+=("$(printf "=%0.s" {1..1000000})")
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set_size=$(cut -d " " -f2 "/proc/$PID/statm")
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mem_usage=$((set_size * PAGE_SIZE))
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done
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}
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function run {
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local arr=()
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while :; do
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bloat "$BLOAT_ITERATION_TARGET"
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arr+=("${BLOAT_HOLDER[@]}")
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sleep 1
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done
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}
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run
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